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Koyo RNA4920 — catalogue photograph of the needle roller bearing family

Koyo RNA4920 heavy-duty needle roller bearing

Koyo RNA4920 heavy-duty needle roller bearing: roller bore diameter Fw 115 mm, outside diameter D 140 mm, width 40 mm; cross-references: IKO RNA4920, INA RNA4920.

Heavy-duty needle roller bearings · All Koyo part numbers

Figure © Koyo, clipped unaltered from Koyo Ball & Roller Bearings catalog B2001E-6 — Standard Bearings section (B2001E-6b). It illustrates the product family printed there, which may include other sizes. Removed on request.

Koyo RNA4920 — catalogue photograph of the needle roller bearing familyKoyo RNA4920 — catalogue drawing of the needle roller bearing family
Koyo RNA4920: roller bore diameter Fw 115 mm, outside diameter D 140 mm, width C 40 mm, drawn to scaleFw 115 mmD 140 mmC 40 mm
Drawing: BearingLookup, to the printed roller bore diameter Fw, outside diameter D and width C cited in the specifications below; internal detail is illustrative.

Specifications

Roller bore diameter Fw115 mm
Outside diameter D140 mm
Width40 mm
Basic dynamic load rating Cr139 kN
Shaft diameter115 mm
Basic static load rating C0r296 kN
Limiting speed, grease lubrication2400 min-1
Limiting speed, oil lubrication3700 min-1
Mass1.220 kg
Product typeHeavy-duty needle roller bearings without inner rings, metric series

All specifications: Verified printed in Koyo’s own catalogue

Cross-references

PartManufacturerRelationshipEvidence
IKODimensional interchangeSingle source stated by Koyo; not corroborated
INADimensional interchangeSingle source stated by Koyo; not corroborated

Koyo: 'Dimensional interchangeability only. This does not imply interchangeable in all respects.' (Metric NRB Interchange Guide p18)

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